Merchant Resources called the 1-800 listed on each of the above credit card merchant services and discovered a variety of differences outlined below:

Square Reader Swiper

Base Retail Visa/MC rate of 2.75%Key Entered Rate of 3.5%

The square reader is a good solution for merchants that are seasonal, sincebSquareUp does not have any monthly fees. Merchants consistently over $10 per sale in Visa/MasterCard volume per month, have better options at:www.credit-card-processing.com